Books in Category: Environmental Issues (sorted by popularity)
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A Year at the Shore
Philip Henry Gosse
221 downloads
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Barometer and Weather Guide
221 downloads
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Alaska (Icelandic)
Jón Ólafsson
220 downloads
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The Salton Sea: An account of Harriman's fight with the Colorado River
George Kennan
220 downloads
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London (Ancient and Modern) from the Sanitary and Medical Point of View
George Vivian Poore
220 downloads
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Auroræ: Their Characters and Spectra
J. Rand Capron
220 downloads
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Bird Guide: Land Birds East of the Rockies, from Parrots to Bluebirds
Chester A. Reed
220 downloads
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Our Nuclear Future: Facts, Dangers and Opportunities
Edward Teller and Albert L. Latter
220 downloads
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An Essay on the Encroachments of the German Ocean Along the Norfolk Coast
William Hewitt
219 downloads
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Rainbow Bridge National Monument, Utah (1951)
United States. National Park Service
219 downloads
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Landesverein Sächsischer Heimatschutz — Mitteilungen Band XI, Heft 1-3 : Monatsschrift für Heimatschutz und Denkmalpflege (German)
219 downloads
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Big Bend National Park: Land of Dramatic Contrasts and Scenic Grandeur
W. Ray Scott
219 downloads
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The farm and the woodlot
J. E. Barton
218 downloads
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The Geologic Story of Yellowstone National Park
William R. Keefer
218 downloads
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Essays in Natural History and Agriculture
Thomas Garnett
217 downloads
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Fossil Forests of the Yellowstone National Park
Frank Hall Knowlton
216 downloads
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The Great Mississippi Flood of 1874: Its Extent, Duration, and Effects
Louis Alfred Wiltz
216 downloads
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Scientific American Supplement, No. 520, December 19, 1885
Various
216 downloads
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Natural History of the Salamander, Aneides hardii
Richard F. Johnston and G. A. Schad
215 downloads
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Scientific Essays and Lectures
Charles Kingsley
215 downloads
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Migration of Birds (1950)
Frederick Charles Lincoln
214 downloads
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Acid Rain and Our Nation's Capital: A Guide to Effects on Buildings and Monuments
E. S. McGee
214 downloads
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Saguaro National Monument, Arizona
Napier Shelton and Natt N. Dodge
214 downloads
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Atoms, Nature, and Man: Man-made Radioactivity in the Environment
Neal O. Hines
213 downloads
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Petrified Forest National Monument (1953)
United States. National Park Service
213 downloads